| Company | Timeline | Status | |
| Trident Commercial Holdings Limited Secretary • Unreported | 14 Nov 1991←1 Year 6 Months→18 May 1993 | Active | |
| Houston And Sons Limited Secretary • Unreported | 27 Sep 1991←25 Years→24 Feb 2017 | Active | |
| Houston And Sons Limited Director • Accountant | 27 Sep 1991←25 Years→24 Feb 2017 | Active | |
